Scientific Name
Chirolophis ascanii

Common Name
Yarrell's blenny

Biology
Dorsal spines : 50 - 54; Dorsal soft rays : 0; Anal soft rays: 35 - 40. Snout blunt; mouth frog-like. With a large fringed tentacle above each eye, a smaller one in front and others on top of head and on the anterior dorsal fin spines. First anal fin ray a short flexible spine. Lateral line represented by a dorsal and a mediolateral branch of neuromasts

Classification

Classified By

Walbaum, 1792

Class

Ray-finned fishes (Actinopterygii)

Order

Perch-like fish (Perciformes)

Family

Pricklebacks (Stichaeidae)

Distribution

Region

Northeast Atlantic

Distribution

Northeast Atlantic: Norwegian coast to Finmarken and Waranger Fjord, occasionally Murman coast, rare in Skagerrak, Kattegat and ?resund, around Helgoland, also British Isles; also the Orkneys, Faroes, Shetlands and Iceland. Northwest Atlantic: Canada.

Range

72°N - 49°N, 70°W - 32°E

Environment

Climate

Temperate

Water Temperature From

Unknown °C

Water Temperature To

Unknown °C

Depth From - meters

10 m

Depth To - meters

400 m

Zone

benthopelagic

Environment

Marine; benthopelagic; depth range 10 - 400 m , usually 10 - 30 m

Trophic Level

3.23 s.e. 0.36 Based on food items.

Occurs in Marine / Salt water

True

Occurs in Brackish water

False

Occurs in Fresh Water

False

Occurs on Reefs

False

Is kept in Aquariums

False

Physical Size and Genetics

Maximum Length

25.0 cm

Common Length

17.5 cm

Phylogenetic Diversity Index

PD50 = 0.5039 many relatives (e.g. carps) 0.5 - 2.0 few relatives (e.g. lungfishes)

Human Uses and Population

Human Uses

Fisheries: of no interest

Vulnerability

Moderate to high vulnerability (46 of 100)

Resilience

Medium, minimum population doubling time 1.4 - 4.4 years (Preliminary K or Fecundity.)

Threat To Humans

Harmless

IUCN Red List Status

Not Evaluated